Finding the Fourth Proportional to 13,980,768.52, 19,293,158.96 and 7,701,471.44
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Solution
The fourth proportional to 13,980,768.52, 19,293,158.96 and 7,701,471.44 is: 10,627,864.45
Step by Step Solution
- Step 1: Write the proportion equation
13,980,768.52 : 19,293,158.96 = 7,701,471.44 : x - Step 2: Convert to fraction form
13,980,768.52/19,293,158.96 = 7,701,471.44/x - Step 3: Cross multiply
13,980,768.52x = 19,293,158.96 × 7,701,471.44 - Step 4: Simplify right side
13,980,768.52x = 148,585,712,717,820.12 - Step 5: Solve for x
x = 148,585,712,717,820.12/13,980,768.52 - Step 6: Final answer
x = 10,627,864.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.